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AlekseyPX
3 years ago
8

(5x - 7y + 8) + (-y + 6 - 4x) + (9 - 3x + 8y)

Mathematics
1 answer:
Mashutka [201]3 years ago
8 0
The answer is -2x+ 23
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The population of a town is increasing at a rate of 6.2% per year. The city council believes they will have to add another eleme
kow [346]

Answer:

The correct solution is "4.6".

Step-by-step explanation:

Given:

Interest rate,

r = 6.2%

or,

 = 0.062

Amount,

A = 100000

Principle,

P = 76000

As we know,

⇒ A=P(1+\frac{r}{100} )^n

On substituting the values, we get

⇒ 100000=76000(1+\frac{6.2}{100} )^n

⇒ (1+0.062)^n=\frac{100}{76}

On taking log both sides, we get

⇒ n \ log_e(1.062)=log_e(\frac{100}{76} )

⇒                   n=\frac{ln(\frac{100}{76} )}{ln(1.062)}

By putting the values of log, we get

⇒                      =4.5622

or,

⇒                      =4.6

5 0
2 years ago
Two cylinders are similar with a scale factor of 1:4. Which shows the ratio of the volumes of the cylinders?
Vladimir [108]
E. 3/12 is equivalent to 1/4, which is the ratio of the cylinders. 
3 0
3 years ago
Read 2 more answers
What is the length of the diagonal?
JulijaS [17]

Answer:

\sqrt{865} feet

Step-by-step explanation:

Using pythagoras theorem,

length \:  =  \sqrt{17 {}^{2}  + 24 {}^{2} }  \\  =  \sqrt{865} ft

6 0
3 years ago
The value of a car declined 20% per year. what percent of the original value remains after 2 years
GalinKa [24]
60% is answer...20% is taken each year so After 2 yrs it's 40% less 100-40 is 60
5 0
3 years ago
The top of a table has a length of 7 feet and a width of 5 feet. what is the area of the table top
gladu [14]

Answer:<em> 35ft</em>

Step-by-step explanation:

<em>The area for a rectangle or square is Width times Length (W*L)</em>

<em>So we can take our given measurements and multiply them</em>

<em />5*7=35<em />

7 0
3 years ago
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